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MS Sealants HT7937D used for automotive manufacturing or sub-manufacturing
Description:
7937D (HT9371DMS) MS sealant is a silicon alkyl terminated polyether as a main component, low viscosity, and general type of one component moisture curable sealant.
Typical use
Applicable to the operating period is long, there is preliminary fixed the sealing of joints, such as weld seam sealing, etc.
Characteristics before curing
Color: white / Black / grey paste
Density(g/cm3) 1.45
Tack free time(min): 10
Pressure flow viscosity(s/10g): 12
(0.5MPa,23℃,3mm)
Characteristics after curing
| Room temperature vulcanized depth (mm/24h) |
4.0 |
Tensile strength(MPa) (GB/T528-1998) | 3.0 |
elongation at break (%) (GB/T528-1998) | 400 |
Hardness(ShoreA) (GB/T531-1999) | 55 |
| Work temperature(℃) | -40～100 |
| Short use temperature(℃) | 120 |
Instructions for use:
Clean:Clean the surface: remove the rust, dust and oil etc...
Gluing: The nozzle sleeve cut, take the glue mouth, cut into appropriate slope, using squeeze can glue gun is coated onto the construction site; pneumatic pressure recommended that no more than 0.4MPa sizing.
Curing:The parts are arranged in the air sizing, when after the formation of epidermis, from the surface to the interior of a room temperature curing, and 55% relative humidity at 24 hours, the curing depth of 2 ~ 4mm. With the extension of time, the curing depth increases gradually. The 7 day curing depth 6mm.
Storage: Unused plastic blocks should be tightened immediately, to seal the tube mouth save. Again, if sealed, a little crust, remove immediately after, does not affect the normal use. In the process of storage, the nozzle may also appear a few crusts, remove after normal use, does not affect the product performance.
Package:
White: 310ml/Cartridge,
10Cartridges/box or 30Cartridge/carton;;
600ml/ Sausage,
20Sausages/carton
Black: 310ml/Cartridge,
10Cartridges/box or 30Cartridges/carton;
600ml/ Sausage,
20Sausages/carton
Grey: 310ml/Cartridge,
10Cartridges/box or 30Cartridges/carton;
600ml/ Sausage,
20Sausages/carton
Storage:
Store in cool and dry place 8-28C
310ml/Cartridge 12months
600ml/ Sausage 9months
